Naraku 63mm (180cc) Forged Piston Big Bore Kit for 150cc, GY6 Engines

180cc / 63mm Big Bore Kit Forged Piston Big Bore Kit for 150cc, GY6 Engines
$179.99
Availability: In stock
SKU
137-11_hhppfs

Frequently bought together

  1. Naraku 63mm (180cc) Forged Piston Big Bore Kit for 150cc, GY6 Engines
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  3. Hammerhead Maximum Performance CVT Package for 150cc, GY6 - CVTMAX
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  5. SSP-G Engine Case Boring Tool for GY6, 150cc
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  7. Motorio Nicasil Cylinder Big Bore Kit 58.5mm (155-160cc) for GY6, 150cc - 12100-MP5-000
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  9. HammerHead High-Performance Exhaust Kit with Intake, UNI Filter and Jets for 150cc, GY6
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  11. Charmo 63mm (180cc) Cylinder Head Complete for 150cc, GY6
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Dr. Pulley Clutch Variator, Front Driver Pulley for 150cc - V181401   + $0.00
Hammerhead Drive Belt, 743x20x30 Belt for 150cc, GY6 - M150-1033000 replaces 3050270, 14363, 152.10.300   + $0.00
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Total price: $0.00
Naraku 63mm Forged Piston Big Bore Kit for 150cc and 125cc GY6 4-stroke engines and engine based vehicles. Crankcase modifications are needed for this cylinder kit. Increases displacement to 180cc!

It is recommended to upgrade the jets in the carburetor when adding this modification.
  • Bore: 63mm
  • Outer Sleeve Diameter: 64.9mm
  • Displacement Increase to 180cc
  • Overall Height (cylinder): 90mm

NO WARRANTY OR RETURNS ON BIG BORE PRODUCTS THAT REQUIRE CASE MODIFICATIONS.  BORE AT YOUR OWN RISK.  WE HIGHLY RECOMMEND HAVING PROFESSIONALS DO THIS JOB.

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Price $179.99
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